1023543052 has 48 divisors (see below), whose sum is σ = 2143330560. Its totient is φ = 418404672.

The previous prime is 1023543043. The next prime is 1023543077. The reversal of 1023543052 is 2503453201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59803 + ... + 74989.

It is an arithmetic number, because the mean of its divisors is an integer number (44652720).

Almost surely, 2^1023543052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023543052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071665280).

1023543052 is an abundant number, since it is smaller than the sum of its proper divisors (1119787508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023543052 is a wasteful number, since it uses less digits than its factorization.

1023543052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15310 (or 15308 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1023543052 is about 31992.8593908078. The cubic root of 1023543052 is about 1007.7868909417.

Adding to 1023543052 its reverse (2503453201), we get a palindrome (3526996253).

The spelling of 1023543052 in words is "one billion, twenty-three million, five hundred forty-three thousand, fifty-two".